const log = console.log;

const me = {
  name: '0074545',
  age: '22',
  qq: '6543591949',
}

log('name: %s', me.name) //string
log('age: %d', me.age)   //digital
log('num: %i', 45)       //integer
log('PI: %f', Math.PI)   //float
log('user: %j', me)      //json
log('me: %o', me)        //object

log('name:%s', me.name)
log('name:', me.name)
log('name:' + me.name)
log(`name:${me.name}`) 


console.log('------------------------');
console.dir(me)
console.dir([{name:'007'},{name:'008'}])

const deepObj = {  
  a: 1,  
  b: {  
      c: 2,  
      d: {  
          e: 3  
      }  
  }  
};  
console.dir(deepObj,{depth:null,colors:true})


console.log('----------------------------');
console.table(me);  
const mine = [{name: "Alice", age: 24}, {name: "Bob", age: 28}];  
console.table(mine);  
 
console.table(mine, ['name']);  
  

console.log('----------------------------');
console.error("Error: something wrong!");  